package org.example.sping02.dao;

import org.springframework.stereotype.Repository;
import org.springframework.stereotype.Service;
@Repository
public class UserDao {

    public UserDao() {
        System.out.println("UserDao" + "实例化,专门用来做数据库操作的");
    }


    public void add() {
        System.out.println("已执行添加操作");
    }
}


